X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 9
Details HANGING DROP USING 2.1 M AMMONIUM SULPHATE AND 100 MM CHES PH 7.0 1 MM ASCORMBATE AND 2.5 UM PMS FROM REDUCTION OF PROTEIN WAS ALSO PRESENT IN CRYSTALLISATION.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 127.97 α = 90
b = 127.97 β = 90
c = 264.13 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-06-06
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I711 -- MAX II I711

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.1 30 99.7 0.077 0.077 -- 3.8 -- 126324 -- 0.0 28.9
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.1 2.18 99.6 0.224 0.224 3.9 -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.1 30.0 -- 0.0 -- 126324 -- 99.7 -- -- 0.216 0.241 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.2
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 15.0
p_transverse_tor 32.2
p_staggered_tor 15.0
p_planar_tor 3.4
p_xyhbond_nbd 0.152
p_multtor_nbd 0.237
p_bond_d 0.09
p_angle_d 0.027
p_planar_d 0.027
p_plane_restr 0.0057
p_chiral_restr 0.116
p_singtor_nbd 0.178
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8204
Nucleic Acid Atoms 0
Heterogen Atoms 212
Solvent Atoms 635

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement